August Weather in Bethlehem, United States

Last updated: June 24, 2025

In Bethlehem, United States, the average temperature in August is a pleasant 26°C (78°F), with minimums dipping to 17°C (62°F) and maximums soaring to 34°C (94°F). However, be prepared for some rain, as the region experiences 147 mm (5.8 in) of precipitation spread over 16 days, resulting in a humid atmosphere with an average humidity level of 81%.

August Temperature in Bethlehem

In August in Bethlehem, the average temperature is 26°C (78°F). Maximums can reach 34°C (94°F), and minimums can be as low as 17°C (62°F). This pleasant climate makes Bethlehem an ideal destination for travelers seeking warmth and comfort.

August Weather in Bethlehem: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Bethlehem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bethlehem, August typically has an average temperature of 26°C (78°F), with highs reaching up to 34°C (94°F) and lows dropping to around 17°C (62°F).

Data source: Temperature data for Bethlehem generated using information from the Copernicus Climate Change Service.

August Precipitation in Bethlehem

In Bethlehem in August, the precipitation amount is 147 mm (5.8 in) spread over 16 days.

August Precipitation Trends in Bethlehem

The chart displays monthly precipitation patterns in Bethlehem, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Bethlehem, August typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Bethlehem

In Bethlehem in August, humidity is 81%. With an average temperature of 26°C (78°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities feel a bit more strenuous and the air heavy, which can be quite challenging for traveling.

August Average Humidity in Bethlehem

This chart illustrates the average monthly humidity levels in Bethlehem, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Bethlehem is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Bethlehem

In Bethlehem in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Bethlehem.

Maximum UV Index Levels in Bethlehem for August

The chart shows the monthly maximum UV Index (UVI) for Bethlehem in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Bethlehem typically reaches 10, which falls under the very high exposure category.

Data source: Bethlehem August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How August Weather in Bethlehem Compares to Other Months

Weather in Bethlehem varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Bethlehem, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Bethlehem, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (46°F)	108 mm (4.3 inches)	86%	moderate
February Weather	10°C (51°F)	147 mm (5.8 inches)	84%	high
March Weather	13°C (56°F)	130 mm (5.1 inches)	83%	very high
April Weather	17°C (62°F)	123 mm (4.8 inches)	81%	very high
May Weather	21°C (71°F)	125 mm (4.9 inches)	81%	extreme
June Weather	24°C (76°F)	127 mm (5.0 inches)	81%	extreme
July Weather	26°C (79°F)	118 mm (4.7 inches)	83%	extreme
August Weather	26°C (78°F)	147 mm (5.8 inches)	81%	very high
September Weather	23°C (75°F)	116 mm (4.6 inches)	82%	very high
October Weather	19°C (66°F)	141 mm (5.5 inches)	78%	very high
November Weather	11°C (52°F)	80 mm (3.1 inches)	86%	high
December Weather	9°C (48°F)	135 mm (5.3 inches)	89%	moderate